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 ###Instrução: Quantos campeonatos Steffi Graf ganhou?
 ###Tabelas: CREATE TABLE european_campaigns (european_campaigns_id AUTO_INCREMENT PRIMARY KEY, Season INT, Competition VARCHAR, Games INT, Wins INT, Loses INT, Against VARCHAR) CREATE TABLE low_power_translators (low_power_translators_id AUTO_INCREMENT PRIMARY KEY, Call sign VARCHAR, Frequency MHz INT, City of license VARCHAR, ERP W INT, FCC info VARCHAR) CREATE TABLE melodi_grand_prix_1999 (melodi_grand_prix_1999_id AUTO_INCREMENT PRIMARY KEY, Draw INT, Artist VARCHAR, Song VARCHAR, Points INT, Place INT) CREATE TABLE final_table (final_table_id AUTO_INCREMENT PRIMARY KEY, Position INT, Club VARCHAR, Played INT, Points VARCHAR, Wins INT, Draws INT, Losses INT, Goals for INT, Goals against INT, Goal Difference INT) CREATE TABLE grand_slam:_7_finals_3_titles_4_runner-ups (grand_slam:_7_finals_3_titles_4_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Opponent in final VARCHAR, Score in final VARCHAR)  
SELECT Championship FROM grand_slam:_7_finals_3_titles_4_runner-ups WHERE Opponent in final = Steffi Graf